Cost / License
- Free
- Open Source (GPL-3.0)
Application types
Platforms
- Windows
- Linux
- Ubuntu Touch
- Snapcraft
- Flathub
- Flatpak
- Linux Mobile




Telegram X is described as 'An alternative Telegram client based on TDLib, with higher speed, slicker animations and experimental features' and is a instant messenger in the social & communications category. There are more than 100 alternatives to Telegram X for a variety of platforms, including Android, iPhone, Windows, Mac and iPad apps. The best Telegram X alternative is Signal, which is both free and Open Source. Other great apps like Telegram X are Telegram, Element, Matrix and Tox.




Quaternion is a cross-platform Qt5-based desktop IM client for Matrix, a reference desktop application using libQMatrixClient. Source code, issue tracker, roadmap etc. can be found at GitHub. Releases (with links to cross-platform source code archives, as well as binaries for...


Quantum-resistant encrypted messaging, video/audio calls, and file transfers in the browser with optional registration and no downloads required.



Turrit is a simple, safe, and convenient Telegram client that provides a secure and better chatting experience using the Telegram API. Turrit connects people, offering a simple, fast, and secure instant messaging app.







Free open source Electron based multi instant messaging (IM) client.
Combine all your IM applications (or whatever you want) in a single browser (Electron) window.



signal-cli is a commandline interface for the Signal messenger. It supports registering, verifying, sending and receiving messages. signal-cli uses a patched libsignal-service-java, extracted from the Signal-Android source code.
Graph Messenger is an UNOFFICIAL messaging app that uses Telegram's API and add new features like real multi account system, download manager and time line.




Kik is way more than just messaging. It’s the easiest way to connect with your friends, stay in the loop, and explore – all through chat. No phone numbers, just pick a username.




Technitium Mesh is a secure, anonymous, peer-to-peer (p2p), open source instant messenger designed to provide end-to-end encryption. Primary aim of developing this instant messenger is to provide privacy which is achieved using cryptography and anonymity using Tor network.





A fork of Signal for Android with proprietary Google binary blobs removed. Uses OpenStreetMap for maps and a websocket server connection, instead of Google Maps and Firebase Cloud Messaging.